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Alex Bellini


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[Front]


Broadbent's bottleneck
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early processing of two stimuli leads to selective decision

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24 questions
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Broadbent's bottleneck
Early processing of two stimuli leads to selective decision
Dichotic listening task
Participants exposed to two different messages on separate ears
Freidman's attenuation model
Attended stimuli is favoured but not indiscriminately
Deutsch & Deutsch
All stimuli fully processed resulting in late selection
Temporal coherence
Sound features of a given source are all active when present, all absent when not
Spotlight
Visual attention highlights one specific area
Zoom lens
We can broaden or narrow our field of vision
Split attention
Attention is on two areas of space not adjacent to each other
Lavie's P-C Load theory
High perceptual load= less interference from distracting stimuli
Posners double network
Endogenous- top down, expectation driven
Exogenous brain area
Tempero-parietal junction
Wickens multiple resource theory
Processing stages: perception, cognition, responding
Baddeleys Working memory model
Tasks can be performed separately if one is speech based and the other spatial
Salvucci and Taatgen's threaded cognition
Streams of though represent threads, can have two at a time if they do not use similar resources
Underadditivity
Brain activation in dual-task less then sum of activation for either task
Multi-store model
Sensory; short term memory; long term memory
Unitary store model
Short term and long-term memory rely on similar processes
Jonides
Hippocampus and medial temporal lobe: forming novel relations
Phonological similarity effect
Reduced recall when sounds similar
World length effect
Recall of words greater for short words